3211103221021 has 8 divisors (see below), whose sum is σ = 3233838348000. Its totient is φ = 3188383882320.

The previous prime is 3211103221019. The next prime is 3211103221181. The reversal of 3211103221021 is 1201223011123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3211103221021 - 2¹ = 3211103221019 is a prime.

It is a super-2 number, since 2×3211103221021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3211103221021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3211103225021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3538711 + ... + 4352548.

It is an arithmetic number, because the mean of its divisors is an integer number (404229793500).

Almost surely, 2^{3211103221021} is an apocalyptic number.

It is an amenable number.

3211103221021 is a deficient number, since it is larger than the sum of its proper divisors (22735126979).

3211103221021 is a wasteful number, since it uses less digits than its factorization.

3211103221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7894139.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 3211103221021 its reverse (1201223011123), we get a palindrome (4412326232144).

The spelling of 3211103221021 in words is "three trillion, two hundred eleven billion, one hundred three million, two hundred twenty-one thousand, twenty-one".